Adjusting The Differential Feed Ratio; Longitudinal Position Of The Main Feed Dog - JUKI MO-6800S Series Engineer's Manual

(10) Adjusting the differential feed ratio

WARNING :
Turn OFF the power before starting the work so as to prevent accidents caused by abrupt start of the
sewing machine.
Differential feed ratio

(11) Longitudinal position of the main feed dog

WARNING :
Turn OFF the power before starting the work so as to prevent accidents caused by abrupt start of the
sewing machine.
When the feed pitch is maximized and the differential feed ratio is also maximized, the clearance of the
rear end of the feed dog and the throat plate should be spaced approximately 0.5 mm.
Standard adjustment
(Standard) Gathering 1 : 2, Stretching 1 : 0.7 /
60H ··· Gathering 1 : 1.7, Stretching 1 : 0.9
(Max.) Gathering 1 : 4, Stretching 1 : 0.6
❸
❷
Standard adjustment
A
❶
Standard
60H
❶
– 18 –
❹
❺
(Unit : mm)
A
19.6
21.5